Starting with the Weekly Petroleum Status Report (WPSR) published on October 13, 2016, the U.S. total commercial crude oil inventory weekly data series will no longer include lease stocks. This change reflects our understanding that lease stocks are not yet available for commercial use and that in many cases operators do not count them as production until they are transferred off of the lease via pipeline, rail, or trucks to tank farms for storage. …
Source: This Week in Petroleum